Related Experiment Video
Updated: Jun 6, 2026
07:40
Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design
Published on: May 31, 2021
The sex effects scale: pilot validation in a healthy population
Sidney H Kennedy1, Sakina J Rizvi, Kari Fulton
1Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada. sidney.kennedy@uhn.on.ca
Psychopharmacology Bulletin
|December 15, 2010
Summary
The Sex Effects scale (SexFX) shows strong reliability and validity for measuring sexual dysfunction in healthy adults. This validated tool can help accurately assess sexual health in clinical settings.
Area of Science:
- Psychometrics
- Sexual Health
- Clinical Assessment
Background:
- Sexual dysfunction is common in depression and worsened by antidepressants.
- Current assessment methods underreport prevalence due to reliance on spontaneous reports and lack of standardized scales.
Purpose of the Study:
- Validate the Sex Effects scale (SexFX) in a healthy population.
- Assess internal consistency, inter-rater reliability, test-retest reliability, and convergent/divergent validity of the SexFX.
Main Methods:
- The 13-item SexFX measures sexual dysfunction in desire, arousal, and orgasm.
- 53 healthy participants completed the SexFX and Changes in Sexual Functioning Questionnaire (CSFQ) twice, two weeks apart.
Main Results:
- High internal consistency with Cronbach's alpha of 0.91 (male) and 0.93 (female).
- Excellent inter-rater reliability with Intraclass Correlation Coefficients (ICCs) of 0.99 for both scales.
- Adequate concurrent validity with the CSFQ.
Conclusions:
- The SexFX demonstrates satisfactory psychometric properties.
- Results support the use of SexFX for assessing sexual dysfunction.
- Further validation studies are warranted.
Related Concept Videos
01:15Bioavailability Study Design: Healthy Subjects Versus Patients
Bioavailability studies are essential for evaluating a drug's therapeutic efficacy and understanding its absorption patterns under various physiological conditions. Conducting such studies on target patient populations provides more relevant data by simulating real-world disease states. However, practical challenges often necessitate the use of young, healthy adult volunteers as study subjects.Patients may exhibit altered drug absorption patterns due to the effects of the disease itself,...
01:17Sign Test for Matched Pairs
The sign test for matched pairs offers a robust method for comparing two paired samples, often for the effects of an intervention in one of them. This method is very useful in situations where the underlying distribution of the data is unknown. The test compares two related samples—often pre- and post-treatment measurements on the same subjects—to determine if there are significant differences in their median values.
To conduct the sign test, we first calculate the differences in value between...
To conduct the sign test, we first calculate the differences in value between...